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3. Given the differential equation 3y + 6x + 2y? ) dx - (2 - Ina3 - Ary) dy = 0. Show that the equation

3. Given the differential equation 3y + 6x + 2y? ) dx - (2 - Ina3 - Ary) dy = 0. Show that the equation is exact. Hence, solve it. [7 marks]

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